CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
ASSETS
Cash	$ 238,482	$ 938,371
Short-term investment at fair value	420,553	10,268
Principal-only stripped mortgage-backed securities at fair value pledged to creditors	825,865
Loans held for sale at fair value (includes $8,140,834 and $4,329,501 pledged to creditors)	8,217,468	4,420,691
Derivative assets	113,076	179,079
Servicing advances, net (includes valuation allowance of $85,788 and $73,991; $357,939 and $354,831 pledged to creditors)	568,512	694,038
Mortgage servicing rights at fair value (includes $8,609,388 and $7,033,892 pledged to creditors)	8,744,528	7,099,348
Investment in PennyMac Mortgage Investment Trust at fair value	944	1,121
Receivable from PennyMac Mortgage Investment Trust	$ 30,206	$ 29,262
Other Receivable, after Allowance for Credit Loss, Related Party [Extensible Enumeration]	Affiliated Entity [Member]	Affiliated Entity [Member]
Loans eligible for repurchase	$ 6,157,172	$ 4,889,925
Other (includes $16,697 and $15,653 pledged to creditors)	770,081	582,460
Total assets	26,086,887	18,844,563
LIABILITIES
Assets sold under agreements to repurchase	8,685,207	3,763,956
Mortgage loan participation purchase and sale agreements	496,512	446,054
Notes payable secured by mortgage servicing assets	2,048,972	1,873,415
Unsecured senior notes	3,164,032	2,519,651
Derivative liabilities	40,900	53,275
Mortgage servicing liabilities at fair value	1,683	1,805
Accounts payable and accrued expenses	354,414	449,896
Payable to PennyMac Mortgage Investment Trust	$ 122,317	$ 208,210
Other Liability, Related Party [Extensible Enumeration]	Affiliated Entity [Member]	Affiliated Entity [Member]
Payable to exchanged Private National Mortgage Acceptance Company, LLC unitholders under tax receivable agreement	$ 25,898	$ 26,099
Income taxes payable	1,131,000	1,042,886
Liability for loans eligible for repurchase	6,157,172	4,889,925
Liability for losses under representations and warranties	29,129	30,788
Total liabilities	22,257,236	15,305,960
Commitments and contingencies - Note 19
STOCKHOLDERS' EQUITY
Common stock-authorized 200,000,000 shares of $0.0001 par value; issued and outstanding, 51,376,616 and 50,178,963 shares, respectively	5	5
Additional paid-in capital	56,072	24,287
Retained earnings	3,773,574	3,514,311
Total stockholders' equity	3,829,651	3,538,603
Total liabilities and stockholders' equity	$ 26,086,887	$ 18,844,563